(socks-proxy) add healthcheck to dockerfile

Author: zeylos

src/socks-proxy/entrypoint.sh

@@ -7,7 +7,11 @@ if [ -z "${PROXY_USERS:-}" ]; then
   exit 1
 fi
 
-useradd -M -s /usr/sbin/nologin "healthcheck"
+if id "healthcheck" &>/dev/null; then
+  echo "Healthcheck user already exists, resetting password"
+else
+  useradd -M -s /usr/sbin/nologin "healthcheck"
+fi
 HEALTHCHECK_PASSWORD=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32)
 echo "healthcheck:${HEALTHCHECK_PASSWORD}" | tee /healthcreds | chpasswd